A method for controlling phytopathogenic diseases on useful plants or propagating material of these, which comprises applying to the plants or the location of these useful material for the Propagation of these, a combination of components (a) and (b), in an amount sin\u00e9rgicame Nte effective, where the component (a) is a compound of formula I Compound of formula I (i)Donder is Hydrogen or methoxy Q is (Q1) or (Q2) r1 is Hydrogen, halogen or c1-c6 alkyl R2 is Hydrogen, halogen, alkyl of C1 - C6, alquenilo C2 - C6, alquinilo C3 C6 (cicloalquil C3 C6) - (alquinilo C3 C6), halofenoxi, halofenil - (alquinilo C3 C6), c = (C1 - C4 alkyl (alkyl) - C1 - C4), haloalquilo C 1 - C6, haloalcoxi C1 - C6, haloalquenilo C2 - C6 or haloalqueniloxi C2 - C6 R3 is Hydrogen,Halogen or c1-c6 alkyl R4, R5 and R6, independently of each other, are Hydrogen, halogen or - R7 under the condition that at least one of the groups R4, R5 and R6 R7 is not Hydrogen. Hydrogen, alkyl of C1 - C6Haloalquilo C1 - C6 or alkoxyalkyl Esters c1-c4 yr8 is Hydrogen or methoxy Structural isomers and salts stereoisomers isomers \/ \/ \/ \/ \/ \/ taut\u00f3meros enantiomers and Diastereomers n-oxides agroqu\u00edmicamente acceptable component of these Compounds and (b) a compound selected from the Comp Listed here are known for their fungicidal activity and \/ or insecticideIt is particularly effective to control or prevent fungal Diseases of useful plants.Un método para controlar enfermedades fitopatógenas en plantas útiles o en material de propagación de estas, el cual comprende aplicar a las plantas útiles, el emplazamiento de estas o el material de propagación de estas, una combinación de componentes (A) y (B), en una cantidad sinérgicamente eficaz, donde el componente (A) es un compuesto de fórmula I compuesto de fórmula I (I),dondeR es hidrógeno o metoxiQ es (Q1) o (Q2) R1 es hidrógeno, halógeno o alquilo C1-C6R2 es hidrógeno, halógeno, alquilo C1-C6, alquenilo C2-C6, alquinilo C3-C6, (cicloalquil C3-C6)
